4194473777839 has 16 divisors (see below), whose sum is σ = 4421587714560. Its totient is φ = 3967997220000.

The previous prime is 4194473777797. The next prime is 4194473777849. The reversal of 4194473777839 is 9387773744914.

It is a cyclic number.

It is not a de Polignac number, because 4194473777839 - 2²¹ = 4194471680687 is a prime.

It is a super-2 number, since 2×4194473777839² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194473777849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77203494 + ... + 77257804.

It is an arithmetic number, because the mean of its divisors is an integer number (276349232160).

Almost surely, 2^{4194473777839} is an apocalyptic number.

4194473777839 is a deficient number, since it is larger than the sum of its proper divisors (227113936721).

4194473777839 is a wasteful number, since it uses less digits than its factorization.

4194473777839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60102.

The product of its digits is 896168448, while the sum is 73.

The spelling of 4194473777839 in words is "four trillion, one hundred ninety-four billion, four hundred seventy-three million, seven hundred seventy-seven thousand, eight hundred thirty-nine".